BackflowNear Test-Due Reminder

Approved backflow testers in Ventura, CA

14 backflow testing businesses work within 25 miles of Ventura, 8 of them based in town. Every one is on the approved tester list of 4 water utilities.

14 businesses within 25 miles

Backflow testing companies near Ventura

What the badges mean
✓ CA Utility-Approved Tester Verified On the city list
The company is on a water utility's own approved list (the second badge names the list). That is the utility's approval, not a state license, and it counts for that utility.
3 certified testers
How many certified testers the roster lists at this business.
★ 4.8 (25 reviews)
The Google rating, shown as Google reports it. It does not change the order.

Order is by our quality score, never by payment. How we verify listings.

Are you a backflow testing company near Ventura? One sponsor per county, clearly labelled. Sponsor this county

✓ CA Utility-Approved Tester Verified #CI0004803 ★ 4.9 (262 reviews) 2 certified testersOn Ventura County list Backflow Testing

2646 Palma Dr #300, Ventura, CA 93003 · under 1 mile from Ventura

Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified #AWWA 20447 ★ 5 (313 reviews) 2 certified testersOn Casitas Municipal Water District listOn Ventura County list Backflow Testing

2686 Johnson Dr Ste. 203, Ventura, CA 93003 · 1 mi from Ventura

Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified #CI0004690 ★ 4.9 (29 reviews) 2 certified testersOn Ventura County list Backflow Testing

3800 Market St B, Ventura, CA 93003 · 2 mi from Ventura

Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified #AWWA 20081 ★ 4.7 (155 reviews) 2 certified testersOn Casitas Municipal Water District listOn Ventura County list Backflow Testing

5770 Nicolle St Ste E, Ventura, CA 93003 · under 1 mile from Ventura

Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified #AWWA 20030 3 certified testersOn Casitas Municipal Water District listOn Goleta Water District listOn Ventura County list Backflow Testing

Ventura, CA, Ventura, CA 93003 · under 1 mile from Ventura

Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified #AWWA 20739 ★ 5 (44 reviews) On Casitas Municipal Water District list Backflow Testing

9452 Telephone Rd Ste. 121, Ventura, CA 93003 · 3 mi from Ventura

Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified #CI0004666 ★ 4.9 (13 reviews) On Ventura County list Backflow Testing

Ventura, CA 93003, Ventura, CA 93003 · 3 mi from Ventura

Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified #CI0000007 ★ 4.6 (225 reviews) On Ventura County list Backflow Testing

5506 Adolfo Rd, Camarillo, CA 93012 · 13 mi from Ventura

Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified #PI0000913 ★ 4.9 (1665 reviews) On LA County certifiedOn Ventura County list Backflow Testing

3315 Grande Vista Dr, Newbury Park, CA 91320 · 16 mi from Ventura

Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified #CI0000042 On Ventura County list Backflow Testing

580 Vine St, Oak View, CA 93022 · 11 mi from Ventura

Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified #CI0000031 ★ 5 (3 reviews) On Ventura County list Backflow Testing

330 E Easy St, Simi Valley, CA 93065 · 24 mi from Ventura

Verified Oct 2026 · Unclaimed listing

Price reports

What a backflow test costs in Ventura

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Published prices nationwide

$29.99 to $100 per assembly

Based on 14 published prices · Read Oct 2026 Prices testing businesses list on their own websites, from our cost guide. Listed prices, not what people paid.

Every published price, with its source: what a backflow test costs.

Failed test? Published repair, rebuild and replacement prices: what a backflow repair or replacement costs.

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Backflow testing questions in Ventura

Where are the backflow testing businesses listed for Ventura based?

14 backflow testing businesses are listed within 25 miles of Ventura. 8 are based in Ventura itself, 4 more within 15 miles and 2 further out, up to 24 miles away. Other towns with more than one listing: Oxnard (2). The closest is Mike Kimble Plumbing, under 1 mile from Ventura.

Which tester lists are the businesses near Ventura on?

Every one is on the approved tester list of 4 water utilities.

How many of the backflow testing businesses near Ventura have Google reviews?

10 of the 14 listed for Ventura have 3 or more Google reviews. Lloyd's Plumbing has the most reviews, 1,665, with an average of 4.9 stars, as Google showed them at our last check.

Approved list: City of San Diego approved backflow testers, City of San Diego Public Utilities Department.

Approved list: Sweetwater Authority certified backflow testers, Sweetwater Authority.

Approved list: Cucamonga Valley Water District backflow assembly testers list, Cucamonga Valley Water District.

Approved list: Otay Water District approved backflow prevention assembly testers, Otay Water District.

Approved list: EVMWD backflow tester list, Elsinore Valley Municipal Water District.

Approved list: Ventura County certified backflow device tester list, County of Ventura Resource Management Agency.

Approved list: Yorba Linda Water District backflow prevention device testers, Yorba Linda Water District.

Approved list: Riverside Public Utilities backflow tester list, Riverside Public Utilities.

Approved list: City of Redlands backflow tester list (BSI), City of Redlands Municipal Utilities.

Approved list: Western Municipal Water District certified backflow prevention testers, Western Municipal Water District.

Approved list: Rancho California Water District approved backflow testers, Rancho California Water District.

Approved list: Sacramento County certified backflow prevention assembly testers, Sacramento County Environmental Management Department.

Approved list: Olivenhain Municipal Water District certified backflow prevention assembly testers, Olivenhain Municipal Water District.

Approved list: EBMUD approved backflow testers, East Bay Municipal Utility District.

Approved list: Irvine Ranch Water District backflow tester list, Irvine Ranch Water District.

Approved list: San Francisco authorized backflow assembly testing companies, San Francisco Department of Public Health.

Approved list: Padre Dam Municipal Water District approved backflow tester list, Padre Dam Municipal Water District.

Approved list: DSRSD backflow tester list, Dublin San Ramon Services District.

Approved list: City of Palo Alto approved backflow testers, City of Palo Alto Utilities.

Approved list: City of Pleasanton approved backflow prevention testers, City of Pleasanton Water.

Approved list: Certified Backflow Prevention Device Testers, Los Angeles County Public Health.

Approved list: Casitas Municipal Water District approved certified backflow device testers, Casitas Municipal Water District.

Approved list: City of Milpitas qualified backflow prevention assembly testers, City of Milpitas.

Approved list: City of Tracy approved backflow testers, City of Tracy Public Works.

Approved list: City of Long Beach backflow prevention testers, Long Beach Health.

Approved list: City of Ceres certified backflow tester list, City of Ceres.

Approved list: City of Petaluma city certified backflow testers, City of Petaluma.

Approved list: City of Clovis certified backflow testers, City of Clovis Public Utilities.

Approved list: Goleta Water District certified backflow tester listing, Goleta Water District.

Approved list: City of Napa certified backflow prevention testers, City of Napa Utilities.

Approved list: La Puente Valley County Water District approved list of backflow testers, La Puente Valley County Water District.

Approved list: Alameda County Water District approved backflow prevention testers, Alameda County Water District.

Approved list: West Valley Water District backflow tester list, West Valley Water District.

Approved list: Rainbow Municipal Water District certified backflow vendor list, Rainbow Municipal Water District.

Approved list: City of Lathrop approved backflow testers, City of Lathrop Public Works.

Approved list: North Marin Water District backflow assembly tester list, North Marin Water District.

Approved list: Calaveras County Water District recognized BPA testers, Calaveras County Water District.

Approved list: Diablo Water District list of certified backflow testers, Diablo Water District.

Approved list: Forestville Water District approved certified backflow device testers, Forestville Water District.

Related site: Testing a fire line? The sprinkler system behind it needs its own inspections by a state-licensed fire protection company. Licensed fire sprinkler inspectors near Ventura on FireInspectorNear, our sister directory.

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